﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.ServiceModel;
using System.Text;
using System.Threading.Tasks;

namespace chapt1Example1
{
    [ServiceContract(Namespace = "demo-sv", Name = "demo")]
    public interface IDemo
    {
        [OperationContract(Name = "add",Action ="add-opt")]
        int Add(int a, int b);

        void Run();
    }
}
